Film marking device



March 28, 1939. C w|NHE$TER 2,151,822

I FILM MARKING DEVICE Filed Oct. 16, 1935 2 Sheets-Sheet l Hg. I

INVENTOR A MN s ER A NEY March 28, 1939. A. c WINCHESTER 2,151,322

FILM MARKINGKDEVICE v Filed Oct. 16, 19255 ZSheets-Sheet 2 INVENTOR AC IN E R BY ATTORN EY Patented Met. 28,1939 2,151,822

UNITED STATES PATENT OFFICE FILM MARKING DEVICE Armstead 0. Winchester, llollywoodacalifi, as-

signor to RKO Studios, Inc., a corporation of Delaware Application October 16. 1935, serial No. 45,220 6 Claims. (o1. 164-87) This invention relates to the production of the film marker |3 are interposed between the. motion pictures, and has for its principal object sections of film entering and leaving the motion the provision of an improved film marking appicture camera. These dies cooperate with cutparatus and method of operation which (1) ters which are moved against the film by means 5 makes it possible to select from a film roll only of knobs 2| and 22 to cut semi-circularly shaped such takes or scenes as it is desired to develop, (2) punches from the edge 01 the film. v is readily applicable to or removable from stand- As shown more clearlyin Fig. 2, the film punchyp f i n P r mera Without ing mechanism includes a cylindrical member or marring the appearance of such cameras, and a hollow punch 23 which is provided at its end (3) automatically removes the film punchings in with a cutter 24 adapted to cooperate with the 10 a manner to prevent them from scratching the die I9, is hollow at its cutting end and cut away film negative. at 25 to permit disposal of the film punchings.

In the production of motion pictures, it is de- It is constrained to movespirally when it is sirable that some means be provided for designatpressed toward the die I! by means of the knob ing on the negative film roll those takesor'scenes 2| and is returned to its non-cutting position by 15 which are considered most desirable. Such a means of a spring 26 and a shaft 21 operatively pre-development breakdown of the negative piccoupled to this spring and the associated member ture film is advantageous in that about sixty per- 28 by means of a pin 29 which passes through an cent of 'the usual development cost is saved. In opening 3|! in the reduced end of the shaft 21 accordance with this invention, such a selection and an opening 3| at the rear of the control knob 20 orbreakdown is achieved by means'including a 2|. Spiral movement of the member 23 is profilm marker which is readily interposed between duced by means of a groove 34 which cooperates the camera and film magazine, which is operated with the end of a screw 35 (Fig. 1) in the side of independently of the cameraaction and interthe marking device. Y

feres in no way with the operation of the camera The fact that the marking device is interposed 25 and which produces indentations adapted to between the motion picture camera and the film catch the hand 01' an attendant who rewinds the magazine makes it possible to notch the film as film roll in a dark room thus enabling him to desired without regard to the action of the moselect readily the takes to be developed and to tion picture camera and the spiral movement of I separate them from the undesired takes which the cutter, from its engagement with the die, are stored for possible future use. functions to carry the film punching into a com- The invention will be better understood from partment 3: and t t ensure t t t m the following description when considered in conpunchjngs do t drgp i t th t n picture ti with the accompanying drawings, and camera and interfere with its operation. It will 5 i s s p w ll be pointed out in the appended be observed that the film marking device It is claimsl readily interposed between the motion picture Referring to the drawings, Fig. 1 is a perspective view of a motion picture and the m magazines and H and camera to which the invention has been applied, does not meme the appalatus 40 d I claim:

an 1. The combination of a film magazine a motai he film g!- 2 i g i certain de 18 or t tion picture camera, and a film marker provided with cooperative marking members interposed The motion picture camera illustrated by Fig.

1 includes a film feed reel magazine ll and a film Said magazinemd and w takeqlp reel magazine From the m feed means operable to move one of said members magazine '0 m n passes'thmlmh an opening through a spiral path relatively to the other of in a film marking device It, under a-ro1ler :|l, $3 removing mm Punchings from over a rocket ii to the usual picture gate IS where li is exposed to the scene through a lens A m marking device including system H. From the picture gate is the film beri with! iand means Operable passes over rollers n and n and under the move said cuttine member spirally i 7 sprocket I! back through the opening in the film 838811191? with 8845 die membermarking device it to the take-up reel magazine 3. A film marking device including a die mem- 1 her, a film cutting member, means operable to It will be observed that the dies '|l and 20o! move said cutting member spirally into engage- 55 ment with said die member, and resilient means tending to separate said members.

4. A film marking device including a die member disposed at one side of a film path, a film cutter including a hollow punch provided with a lateral opening at a point intermediate its ends, and means for imparting to said punch a combined linear and rotational motion whereby film punchings are removed from said path through said opening.

5. A film marking device including a die member disposed at one side of a film path, a film cutter including a hollow punch provided with a lateral opening at a point intermediate its ends.

and means including a spiral spring for imparting to said punch a combined linear and rota- 

